[Pkg-samba-maint] Bug#827259: samba-libs: winbind segfault in libsamba-security.so.0 after update to 4.2.10+dfsg-0+deb8u3

[r0p]

Package: samba-libs
Version: 2:4.2.10+dfsg-0+deb8u3
Severity: normal

Dear Maintainer,

Server act as http proxy with squid and winbind against AD (2003).
The squid3 configuration file containis the following line:
/usr/bin/ntlm_auth --helper-protocol=squid-2.5-ntlmssp

After update (samba,winbind) to version 4.2.10+dfsg-0+deb8u3 authentication stop working with these errors:
cze 14 09:17:02 httproxy kernel: ntlm_auth[2454]: segfault at 4 ip b6f44163 sp bfe64fb0 error 4 in libsamba-security.so.0
cze 14 09:17:04 httproxy kernel: ntlm_auth[2467]: segfault at 4 ip b6fd1163 sp bfd8c8d0 error 4 in libsamba-security.so.0
cze 14 09:17:19 httproxy kernel: ntlm_auth[2469]: segfault at 4 ip b6f5a163 sp bf9c0a10 error 4 in libsamba-security.so.0
cze 14 09:17:53 httproxy kernel: ntlm_auth[2470]: segfault at 4 ip b6f68163 sp bffda370 error 4 in libsamba-security.so.0
cze 14 09:17:58 httproxy kernel: ntlm_auth[2471]: segfault at 4 ip b6f14163 sp bf9709a0 error 4 in libsamba-security.so.0 

-- System Information:
Debian Release: 8.5
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 3.16.0-4-686-pae (SMP w/1 CPU core)
Locale: LANG=pl_PL.UTF-8, LC_CTYPE=pl_PL.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages samba-libs depends on:
ii  libacl1            2.2.52-2
ii  libattr1           1:2.4.47-2
ii  libbsd0            0.7.0-2
ii  libc6              2.19-18+deb8u4
ii  libcap2            1:2.24-8
ii  libcups2           1.7.5-11+deb8u1
ii  libgnutls-deb0-28  3.3.8-6+deb8u3
ii  libldap-2.4-2      2.4.40+dfsg-1+deb8u2
ii  libldb1            2:1.1.20-0+deb8u1
ii  libntdb1           1.0-5
ii  libpam0g           1.1.8-3.1+deb8u1+b1
ii  libpopt0           1.16-10
ii  libpython2.7       2.7.9-2
ii  libtalloc2         2.1.2-0+deb8u1
ii  libtdb1            1.3.6-0+deb8u1
ii  libtevent0         0.9.25-0+deb8u1
ii  libwbclient0       2:4.2.10+dfsg-0+deb8u3
ii  multiarch-support  2.19-18+deb8u4
ii  python-talloc      2.1.2-0+deb8u1
ii  zlib1g             1:1.2.8.dfsg-2+b1

samba-libs recommends no packages.

samba-libs suggests no packages.

-- no debconf information